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390121 (2012 VL45)
Classification: Main-belt Asteroid          SPK-ID: 2390121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966445329090564 1.4403e-07  
a 2.572830342891269 2.4251e-08 au
q 2.066897321859168 3.8369e-07 au
i 4.908035980731901 1.227e-05 deg
node 44.62542459947989 6.5642e-05 deg
peri 8.088659321633315 7.2354e-05 deg
M 307.7590946192045 2.6025e-05 deg
tp 2459219.237550599253
(2021-Jan-04.73755060)
0.00011039 TDB
period 1507.353627234012
4.13
2.1312e-05
5.835e-08
d
yr
n .2388291595918329 3.3767e-09 deg/d
Q 3.07876336392337 2.9019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50399  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:11:33  

Additional Information
 Earth MOID = 1.07806 au 
 Jupiter MOID = 2.29713 au 
 T_jup = 3.396 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO440684  

390121 (2012 VL45)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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